In The Videos, We Must Not Use The Strings Of Two Seconds

I have noticed that there is a big problem with the timing of the videos. We must not insert into the videos intervals (or strings) of two seconds. It is too short. Your approach of the timing is anglo-centric. You forget that the other languages are not as efficient, terse as english. As for me, I have trouble to shove my french translations into the videos owing to the intervals of two seconds.

Therefore, I would like you to permit me to modify the timing of the following videos :